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Sliding Friction and Wear Behavior of C/C Composites Against 40 Cr Steel

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2009, 10(2), pp.97-100
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General

Yicheng Ge 1 Huijuan Xu 1 Ke Peng 1 Lin Yang 1 Maozhong Yi 1

1Central South University

Candidate

ABSTRACT

In this work, effects of carbon matrix on sliding friction and wear behavior of four kinds of C/C have been investigated against 40 Cr steel ring mate. Composite A with rough lamination carbon matrix (RL) shows the highest volume loss and coefficient of friction, while composite D with smooth lamination/resin carbon matrix (SL/RC) shows the lowest volume loss. The worn surface of composite A appears smooth, whereas that of composite C with smooth lamination carbon (SL) appears rough. The worn surface of composite D appears smooth under low load but rough under high load. Atomic force microscope images show that the size of wear particles on the worn surface is also dependent on the carbon matrix.

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